20780030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50683}}^1$

素因数の和:50731

約数の個数: 16

約数和(自身を含む): 38317104

約数和(自身を除く): 17537074

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50683, 101366, 253415, 506830, 2078003, 4156006, 10390015, 20780030]

約数ペア:

[(1, 20780030), (2, 10390015), (5, 4156006), (10, 2078003), (41, 506830), (82, 253415), (205, 101366), (410, 50683)]